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Population Review

Climate normals · 1970–2000

Surabaya Climate

Surabaya is a city in Indonesia (08) with a population of about 3,018,022. Its average annual temperature is 28.1°C (83°F), with roughly 1647 mm of rain per year.

28.1°C

Avg Temp

1647

Precip (mm/yr)

Oct

Hottest Month

Jul

Coldest Month


Surabaya Climate

Surabaya has an average annual temperature of 28.1°C (83°F) and receives about 1647 mm of precipitation per year. The warmest month is October and the coldest is July. Figures are 1970–2000 climate normals.

28.1°C

Avg Temp

1647

Precip (mm/yr)

Oct

Hottest Month

Jul

Coldest Month

20°30°40°303mmJFMAMJJASOND
Avg temp (°C) Precipitation (mm)
Surabaya — monthly temperature & precipitation (1970–2000 normals) · Source: WorldClim 2.1
MonthAvg (°C/°F)Precip
January28° / 82°303 mm
February28° / 82°272 mm
March28° / 82°252 mm
April28° / 83°176 mm
May28° / 83°118 mm
June28° / 82°67 mm
July27° / 81°25 mm
August28° / 82°13 mm
September28° / 83°27 mm
October29° / 84°45 mm
November29° / 84°122 mm
December28° / 82°227 mm

1970–2000 normals from WorldClim 2.1 (~9 km grid). Precipitation can be less precise near mountains or coastlines, where rainfall varies sharply over short distances.

Best time to visit Surabaya

The most comfortable months to visit Surabaya are typically August, July and September, when temperatures are mildest and rainfall is relatively low. The hottest month is October (around 34°C high). The coldest is July (near 22°C low). January is usually the wettest month.

AugustJulySeptember

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Frequently Asked Questions

The most comfortable months to visit Surabaya are typically August, July and September, when temperatures are mildest and rainfall is relatively low (1970–2000 climate normals).

Surabaya, Indonesia has an average annual temperature of 28.1°C and about 1647 mm of precipitation per year. The warmest month is October and the coldest is July.

In October, the hottest month, daily highs in Surabaya average about 34°C (93°F).

Monthly climate normals (1970–2000) sampled from WorldClim 2.1 at ~9 km resolution. Humidity derived from vapor pressure. City coordinates and population from GeoNames.